.app{
	width: 100%;
	height: 100vh;
	background-color: #ffffff;
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
}
.font21{
	color: transparent;
	font-size: 70px;
	font-weight: 900;
	letter-spacing: 10px;
	background-image: linear-gradient(-45deg, #ffffff 0%, #ffffff 25%, green 25%, green 50%, #ffffff 50%, #ffffff 75%, green 75%, green 100%);
	background-size: 4px 4px;
	-webkit-background-clip: text;
	position: relative;
}
.font21:before{
	content: attr(data-text);
	letter-spacing: 10px;
	color: green;
	position: absolute;
	top: -6px;
	left: -6px;
	text-shadow: 2px 2px #ffffff;
}